1. (使)安静;(使）平静下来
If you quieten someone or something, or if they quieten, you make them become less noisy, less active, or silent.
1. cause to be quiet or not talk
e.g. Please silence the children in the church!
Synonym: hushsilencestillshut uphush up
2. make calm or still
e.g. quiet the dragons of worry and fear
Synonym: calmcalm downquiettranquilizetranquillizetranquilliselullstill
3. become quiet or quieter
e.g. The audience fell silent when the speaker entered